Method of using composite reinforced grommet

Details Method of using composite reinforced grommet Method of using composite reinforced grommet

1988-02-02

1989-09-12

Moon, Charlie T.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

29512, 295221, 156 92, 156293, 264136, 264137, 264257, 411901, 411 34, B29C 6500

Patent

active

048657921

ABSTRACT:
A device and method to prevent delamination at load-bearing apertures in structural composite substrates is disclosed. The device is a composite reinforcing grommet having a hollow, generally tubular member of braided filaments impregnated with polymer. The member may be radially deformed for insertion into an aperture in a structural composite substrate and is then capable of being radially expanded to form flanges to secure the structural composite between the flanges. A method of reinforcing a substrate having an aperture therethrough including the step of cobonding a composite reinforcing grommet to a structural composite substrate is also disclosed.

REFERENCES:
patent: 586770 (1897-07-01), Kempshall
patent: 1640543 (1927-08-01), Gudge
patent: 2510693 (1950-06-01), Green
patent: 2584540 (1952-02-01), Batvin et al.
patent: 4478544 (1984-10-01), Strand

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